diff --git a/CHANGELOG.md b/CHANGELOG.md
index 046696862e..f19286e4e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#7175](https://github.com/thanos-io/thanos/pull/7175): Query: Add `--query.mode=distributed` which enables the new distributed mode of the Thanos query engine.
 - [#7199](https://github.com/thanos-io/thanos/pull/7199): Reloader: Add support for watching and decompressing Prometheus configuration directories
 - [#7200](https://github.com/thanos-io/thanos/pull/7175): Query: Add `--selector.relabel-config` and `--selector.relabel-config-file` flags which allows scoping the Querier to a subset of matched TSDBs.
+- [#7233](https://github.com/thanos-io/thanos/pull/7233): UI: Showing Block Size Stats
 
 ### Changed